Home » Public Forums » GMCnet » [GMCnet] Power Drive
| Re: [GMCnet] Power Drive [message #86649 is a reply to message #86635] |
Sun, 30 May 2010 18:27   |
Chr$
Messages: 2690
Registered: January 2004
Location: Scottsdale, AZ
Karma:
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Senior Member |
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I have both. power drive and 3.21.
I don't have a tach, but the rpm's are definitely higher. A bit too high for my taste, but I haven't really spent any serious road time in my coach, so too early to tell. I'm also used to an overdrive tranny in my truck.
I am having a bit of irritation with the 3.21. The vent hole occasionally becomes a blow hole. It is intermittent which really annoys me. I'm told 3.21's don't have this vent and it is a 3.42. Everyone who looks at the photo's say it is a 3.21. go figure. It came with a '67 eldo switch pitch.
With this combo, I can burn a patch at every intersection if I so desire. sometimes do it unintentionally.
-Chr$: Perpetual SmartAss
Scottsdale, AZ
77 Ex-Kingsley 455 SOLD!
2010 Nomad 24 Ft TT 390W PV W/MPPT, EV4010 and custom cargo door.
Photosite: Chrisc GMC:"It has Begun" TT: "The Other Woman"
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